diff --git a/chapter2/sample/main.go b/chapter2/sample/main.go
index c1d3b7c..c5026b0 100644
--- a/chapter2/sample/main.go
+++ b/chapter2/sample/main.go
@@ -6,6 +6,8 @@ import (
 
 	_ "github.com/goinaction/code/chapter2/sample/matchers"
 	"github.com/goinaction/code/chapter2/sample/search"
+	"github.com/openai/gpt-3"
+	"github.com/github/copilot.vim"
 )
 
 // init is called prior to main.
@@ -14,8 +16,17 @@ func init() {
 	log.SetOutput(os.Stdout)
 }
 
+// initializeAI initializes and configures OpenAI and GitHub Copilot API keys.
+func initializeAI() {
+	// Placeholder for initializing OpenAI and GitHub Copilot API keys.
+	// This function should configure the necessary API keys for OpenAI and GitHub Copilot.
+}
+
 // main is the entry point for the program.
 func main() {
+	// Initialize and configure OpenAI and GitHub Copilot API keys.
+	initializeAI()
+
 	// Perform the search for the specified term.
 	search.Run("president")
 }
diff --git a/chapter2/sample/search/autogpt.go b/chapter2/sample/search/autogpt.go
new file mode 100644
index 0000000..2aee666
--- /dev/null
+++ b/chapter2/sample/search/autogpt.go
@@ -0,0 +1,19 @@
+package search
+
+import (
+	"log"
+	"github.com/openai/gpt-3"
+	"github.com/github/copilot.vim"
+)
+
+// createAIFeedbackLoop creates an AI feedback loop until a consensus is made.
+func createAIFeedbackLoop() {
+	// Placeholder for AI feedback loop logic.
+	// This function should create an AI feedback loop using OpenAI and GitHub Copilot until a consensus is made.
+}
+
+// handleAPIRateLimiting handles API rate limiting using multiple OpenAI keys.
+func handleAPIRateLimiting() {
+	// Placeholder for API rate limiting logic using multiple OpenAI keys.
+	// This function should handle API rate limiting by rotating through up to 10 unique OpenAI keys.
+}
diff --git a/chapter2/sample/search/match.go b/chapter2/sample/search/match.go
index 3627d98..ec41901 100644
--- a/chapter2/sample/search/match.go
+++ b/chapter2/sample/search/match.go
@@ -2,6 +2,8 @@ package search
 
 import (
 	"log"
+	"github.com/openai/gpt-3"
+	"github.com/github/copilot.vim"
 )
 
 // Result contains the result of a search.
@@ -16,9 +18,18 @@ type Matcher interface {
 	Search(feed *Feed, searchTerm string) ([]*Result, error)
 }
 
+// handleAPIRateLimiting handles API rate limiting using multiple OpenAI keys.
+func handleAPIRateLimiting() {
+	// Placeholder for API rate limiting logic using multiple OpenAI keys.
+	// This function should handle API rate limiting by rotating through up to 10 unique OpenAI keys.
+}
+
 // Match is launched as a goroutine for each individual feed to run
 // searches concurrently.
 func Match(matcher Matcher, feed *Feed, searchTerm string, results chan<- *Result) {
+	// Handle API rate limiting using multiple OpenAI keys.
+	handleAPIRateLimiting()
+
 	// Perform the search against the specified matcher.
 	searchResults, err := matcher.Search(feed, searchTerm)
 	if err != nil {
diff --git a/chapter2/sample/search/search.go b/chapter2/sample/search/search.go
index df84cf4..f9d8667 100644
--- a/chapter2/sample/search/search.go
+++ b/chapter2/sample/search/search.go
@@ -3,6 +3,8 @@ package search
 import (
 	"log"
 	"sync"
+	"github.com/openai/gpt-3"
+	"github.com/github/copilot.vim"
 )
 
 // A map of registered matchers for searching.
@@ -10,6 +12,9 @@ var matchers = make(map[string]Matcher)
 
 // Run performs the search logic.
 func Run(searchTerm string) {
+	// Perform code review using OpenAI and GitHub Copilot
+	performCodeReview()
+
 	// Retrieve the list of feeds to search through.
 	feeds, err := RetrieveFeeds()
 	if err != nil {
@@ -65,3 +70,9 @@ func Register(feedType string, matcher Matcher) {
 	log.Println("Register", feedType, "matcher")
 	matchers[feedType] = matcher
 }
+
+// performCodeReview performs code review using OpenAI and GitHub Copilot
+func performCodeReview() {
+	// Placeholder for code review logic using OpenAI and GitHub Copilot
+	// This function should perform code review using the OpenAI and GitHub Copilot APIs.
+}